Home / 50,939.51-70,284-30,524.86

Finding the Fourth Proportional to 50,939.51, 70,284 and 30,524.86

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Solution

The fourth proportional to 50,939.51, 70,284 and 30,524.86 is: 42,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939.51 : 70,284 = 30,524.86 : x
  2. Step 2: Convert to fraction form
    50,939.51/70,284 = 30,524.86/x
  3. Step 3: Cross multiply
    50,939.51x = 70,284 × 30,524.86
  4. Step 4: Simplify right side
    50,939.51x = 2,145,409,260.24
  5. Step 5: Solve for x
    x = 2,145,409,260.24/50,939.51
  6. Step 6: Final answer
    x = 42,116.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.